JPH06298016A - Battery mounting structure for small motor car - Google Patents

Abstract

PURPOSE:To provide the battery mounting structure of a small motor car capable of increasing the level of the common use of parts for different kinds of batteries so that the small motor car can be used for many purposes. CONSTITUTION:A car body 5 is provided with a battery mount section 9 capable of mounting a small battery 7A and a large battery 7B with its longitudinal direction kept along the vertical direction, and the small battery 7A and the large battery 7B are selectively mounted on the battery mount section 9. The car body 5 is removably installed with a cover covering the upper face of the large battery 7B from the battery mount section 9 when the large battery 7B is mounted, and a seat 6 is arranged above the cover.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery mounting structure for a small electric vehicle of the scooter type which enables a driver to sit down and drive.

[0002]

2. Description of the Related Art Conventionally, in a small electric vehicle, only one type of battery is specified and mounted for one model. In other words, a small electric vehicle for simple movement that can be driven by an elderly person or a physically handicapped person should be equipped with a small battery with a relatively small capacity, and should be used for carrying luggage and cleaning work on the premises of factories. A small electric vehicle is equipped with a large battery with a large capacity that can be used for a long time.

[0003]

However, in the above small electric vehicle, the vehicle body structure itself may be the same regardless of the difference in application. Therefore, conventionally, batteries having different capacities are used in the same vehicle body structure. In order to be able to mount the battery on the battery and the cover that covers the battery, make different specifications according to each model, and according to the specifications of the model, install the battery and the cover. It was assembled and manufactured. for that reason,
There is a drawback that it is uneconomical because it has to be replaced with another battery mounting part or cover to modify the manufactured product once according to the user's request, the number of parts is large, etc. It was The present invention has been made in view of the above circumstances, and is equipped with a battery for a small electric vehicle capable of increasing the degree of combined use of parts even for different models so that the small electric vehicle can be used for various purposes. The purpose is to provide the structure.

[0004]

In order to achieve the above object, a battery mounting structure for a small electric vehicle according to the present invention allows a small battery to be placed thereon, and a large battery has a longitudinal direction extending vertically. The battery mounting portion configured to be mounted as described above is provided on the vehicle body, and the small battery and the large battery are selectively selected and mounted on the battery mounting portion. A cover for covering from the battery mounting portion to the upper surface of the large-sized battery is detachably installed on the vehicle body, and a seat is arranged above the cover. The operation and effect of this characteristic configuration are as follows.

[0005]

Operation: That is, the battery mounting base is configured so that the small battery and the large battery can be selectively selected and mounted, and the large battery mounted in such a manner that the longitudinal direction extends in the vertical direction. Since the cover is detachably installed on the vehicle body so as to cover the battery mount from the upper surface, the battery mount and the cover having the same specifications can be used for the small battery and the large battery.

[0006]

Therefore, large and small batteries having different capacities can be mounted and installed on the battery mount of the same specification, and the battery can be covered with the cover of the same specification.
It is possible to eliminate the uneconomical aspect of preparing various types of parts for each model, and it is possible to change the specifications corresponding to various applications of small electric vehicles simply by changing the mounted battery, which is advantageous in terms of cost Came to.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 3 shows a small electric vehicle. This small electric vehicle has a front wheel 2 which is steered by operating a steering wheel 1.
And a pair of left and right rear wheels 4 and 4 driven by the electric motor 3.
Is supported by a vehicle body frame 5 forming a vehicle body, and a seat 6, a pair of left and right batteries 7, 7, and a control device 8 are provided at a rear portion of the vehicle body frame 5.

As shown in FIG. 1 and FIG. 2, a sheet metal battery mounting base 9 as a battery mounting portion is installed on the vehicle body frame 5, and between the batteries 7, 7 which are placed by being distributed to the left and right. A gap is formed, and a seat mounting frame 10 made of pipe is projected upward from the vehicle body frame 5 at a position behind the gap. A seat support 12 made of sheet metal, in which a shaft member 11 that is fitted into and retracted from an upper end opening of the seat installation frame 10 is provided to project downward, is fixed by a set bolt 13. The seat 6 is fixed while being placed on the upper surface of the seat support 12.

The battery mounting base 9 is positionally regulated in the left and right battery mounting portions so that a small battery 7A having a small capacity can be mounted with its longitudinal direction along the front-rear direction. As described above, the front-rear width is set, and the large-capacity battery 7B having a large capacity can be placed in a standing posture in which the longitudinal direction is along the vertical direction. The front and rear widths of the large battery 7B in this standing posture and the length of the small battery 7A in the longitudinal direction are substantially the same, and the lengths of the large battery 7B and the small battery 7A are set to be substantially the same. There is. The terminals of the small battery 7A are located on the upper surface and the terminals of the large battery 7B are located on the front surface when mounted on the battery mounting base 9. Further, in order to fix and support the pair of left and right batteries 7, 7 when mounted on the battery mounting base 9, the left and right stud bolts 14 raised from the vehicle body frame 5 near the front of the seat installation frame 10 A plate-like pressing metal fitting 15 capable of pressing the upper surfaces of both the batteries 7 and 7 from above is inserted, and a nut 16 is screwed to the stud bolt 14 in the inserted state to press and support the batteries 7 and 7. More specifically, as shown in FIGS. 1 and 2, the upper end of the stud bolt 14 is positioned higher than the upper surface of the large battery 7B, and when the large battery 7B is fixedly supported, a plate-shaped holder is used. The nut 16 is screwed and fastened so as to directly press the metal fitting 15, and when the small battery 7A is fixedly supported, the nut 16 and the plate-shaped metal fitting 15 are attached.
The nut 16 is screwed and fastened via the collar 17 for increasing the height.

A rear cover 18 for covering the control device 8 and the like is fixedly installed on the vehicle body frame 5, and
A front cover 19 as a cover that is removably connected to the front edge of the rear cover 18 and is detachably fixed to the body frame 5 at the lower portion of the front end of the rear cover 18 is provided from below the seat 6 to the batteries 7, 7. It is installed so as to cover the front side and the lateral side. The front cover 19 can cover the upper surfaces of the pair of left and right batteries 7, 7 above the upper surface of the large battery 7B placed on the battery mount 9 and below the lower surface of the seat 6. It is dimensioned. In the figure, 20 and 20 are plate-like cushioning members that are interposed between the battery mounting base 9 and the batteries 7 and 7.

Further, as shown in FIGS. 4 and 5, this small electric vehicle is equipped with a cleaning tool 21 capable of cleaning the floor surface.
Is equipped at the rear end of the vehicle body. This cleaning tool 21
A large number of cleaning cords are planted on a horizontal shaft 23 that is rotatably supported by a bracket 22 that is connected to the rear end of the vehicle body, and is configured for mopping work. Two
The floor surface is cleaned by driving 3 to rotate. The horizontal shaft 23 is divided into three parts on the left and right, and the other horizontal shafts 23, 23 are connected to both ends of the horizontal shaft 23 supported by the bracket 22 via springs 24, 24. With this structure, as shown in FIG. 4, even if the horizontal shaft 23 having the end portions is collided with the obstacle a, the horizontal shaft 2 having the end portions is caused by the bending of the spring 24.
It is possible to avoid a strong collision with the obstacle a of No. 3 and to clean the wall surface W with good followability.
Note that the cleaning tool 21 may be configured by a brush tool for cleaning the floor surface, or a leaf spring may be used as a structure for elastically connecting the brush tools divided into three.

It should be noted that although reference numerals are given in the claims for convenience of comparison with the drawings, the present invention is not limited to the configurations of the accompanying drawings by the entry.

[Brief description of drawings]

FIG. 1 is a vertical sectional side view showing a battery mounting structure of a small electric vehicle.

FIG. 2 is a vertical sectional front view showing a battery mounting structure of a small electric vehicle.

FIG. 3 is an overall side view showing a small electric vehicle

FIG. 4 is a plan view showing a small electric vehicle equipped with a cleaning tool.

FIG. 5 is a plan view showing a structure for connecting separated horizontal axes of the cleaning tool.

[Explanation of symbols]

 5 Body 6 Seat 7A Small battery 7B Large battery 9 Battery mount 19 Cover

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Ganshiro Kawabata 64 Ishizukita-machi, Sakai City, Osaka Prefecture Kubota Sakai Factory

Claims (1)

[Claims] 1. A small battery (7A) can be mounted thereon,
Also, a battery mounting portion (9) configured such that a large battery (7B) can be placed with its longitudinal direction along the vertical direction.
Is mounted on the vehicle body (5), the small battery (7A) and the large battery (7B) are selectively selected and mounted on the battery mounting portion (9), and the large battery (7B) is mounted. In this state, a cover (19) covering the battery mounting portion (9) over the upper surface of the large battery (7B) is detachably installed on the vehicle body (5), and a seat is provided above the cover (19). (6) A battery-equipped structure for a small electric vehicle in which the (6) is provided.